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| author | Sjoerd Meijer <sjoerd.meijer@arm.com> | 2019-11-21 14:03:28 +0000 |
|---|---|---|
| committer | Sjoerd Meijer <sjoerd.meijer@arm.com> | 2019-11-21 14:06:10 +0000 |
| commit | 901cd3b3f62d0c700e5d2c3f97eff97d634bec5e (patch) | |
| tree | 4fa4571bbafc1e9fbfa4bd4bbbaf3ebe2b03a5fc /llvm/test/Transforms/LoopVectorize | |
| parent | 8cf8ec40a1fee9706237d30385e78e1de214d8f7 (diff) | |
| download | bcm5719-llvm-901cd3b3f62d0c700e5d2c3f97eff97d634bec5e.tar.gz bcm5719-llvm-901cd3b3f62d0c700e5d2c3f97eff97d634bec5e.zip | |
[LV] PreferPredicateOverEpilog respecting option
Follow-up of cb47b8783: don't query TTI->preferPredicateOverEpilogue when
option -prefer-predicate-over-epilog is set to false, i.e. when we prefer not
to predicate the loop.
Differential Revision: https://reviews.llvm.org/D70382
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/ARM/prefer-tail-loop-folding.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/ARM/prefer-tail-loop-folding.ll b/llvm/test/Transforms/LoopVectorize/ARM/prefer-tail-loop-folding.ll index 2b8d9314ba8..ac2b65036fe 100644 --- a/llvm/test/Transforms/LoopVectorize/ARM/prefer-tail-loop-folding.ll +++ b/llvm/test/Transforms/LoopVectorize/ARM/prefer-tail-loop-folding.ll @@ -30,6 +30,18 @@ ; RUN: -enable-arm-maskedldst=true -S < %s | \ ; RUN: FileCheck %s -check-prefixes=CHECK,PREFER-FOLDING +; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp \ +; RUN: -prefer-predicate-over-epilog=false \ +; RUN: -disable-mve-tail-predication=false -loop-vectorize \ +; RUN: -enable-arm-maskedldst=true -S < %s | \ +; RUN: FileCheck %s -check-prefixes=CHECK,NO-FOLDING + +; RUN: opt -mtriple=thumbv8.1m.main-arm-eabihf -mattr=+mve.fp \ +; RUN: -prefer-predicate-over-epilog=true \ +; RUN: -disable-mve-tail-predication=false -loop-vectorize \ +; RUN: -enable-arm-maskedldst=true -S < %s | \ +; RUN: FileCheck %s -check-prefixes=CHECK,FOLDING-OPT + define void @prefer_folding(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32* noalias nocapture readonly %C) #0 { ; CHECK-LABEL: prefer_folding( ; PREFER-FOLDING: vector.body: @@ -186,6 +198,12 @@ define void @narrowing_load_not_allowed(i8* noalias nocapture %A, i8* noalias no ; PREFER-FOLDING-NOT: llvm.masked.load ; PREFER-FOLDING-NOT: llvm.masked.store ; PREFER-FOLDING: br i1 %{{.*}}, label %{{.*}}, label %vector.body + +; FOLDING-OPT: vector.body: +; FOLDING-OPT call <8 x i16> @llvm.masked.load.v8i16.p0v8i16 +; FOLDING-OPT call <8 x i8> @llvm.masked.load.v8i8.p0v8i8 +; FOLDING-OPT call void @llvm.masked.store.v8i8.p0v8i8 +; FOLDING-OPT: br i1 %{{.*}}, label %{{.*}}, label %vector.body entry: br label %for.body |
